# Operational quantities

Commentationes Mathematicae Universitatis Carolinae (1997)

- Volume: 38, Issue: 3, page 471-484
- ISSN: 0010-2628

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topMartinón, Antonio. "Operational quantities." Commentationes Mathematicae Universitatis Carolinae 38.3 (1997): 471-484. <http://eudml.org/doc/22281>.

@article{Martinón1997,

abstract = {In this paper we consider maps called operational quantities, which assign a non-negative real number to every operator acting between Banach spaces, and we obtain relations between the kernels of these operational quantities and the classes of operators of the Fredholm theory.},

author = {Martinón, Antonio},

journal = {Commentationes Mathematicae Universitatis Carolinae},

keywords = {operational quantities; Fredholm theory; Fredholm theory; strictly singular operator; upper semi-Fredholm operator},

language = {eng},

number = {3},

pages = {471-484},

publisher = {Charles University in Prague, Faculty of Mathematics and Physics},

title = {Operational quantities},

url = {http://eudml.org/doc/22281},

volume = {38},

year = {1997},

}

TY - JOUR

AU - Martinón, Antonio

TI - Operational quantities

JO - Commentationes Mathematicae Universitatis Carolinae

PY - 1997

PB - Charles University in Prague, Faculty of Mathematics and Physics

VL - 38

IS - 3

SP - 471

EP - 484

AB - In this paper we consider maps called operational quantities, which assign a non-negative real number to every operator acting between Banach spaces, and we obtain relations between the kernels of these operational quantities and the classes of operators of the Fredholm theory.

LA - eng

KW - operational quantities; Fredholm theory; Fredholm theory; strictly singular operator; upper semi-Fredholm operator

UR - http://eudml.org/doc/22281

ER -

## References

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